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Dr. Nathan Smallwood, MD
Flower Mound, TX
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Smallwood, Colon & Rectal Surgeon (Proctologist) in Flower Mound, TX?
Dr. Nathan Smallwood, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Flower Mound, TX with 2 additional practice locations. Dr. Smallwood is fluent in English, and is currently seeing new patients. Dr. Smallwood’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Smallwood’s office at (469) 952-5007.
What languages does Dr. Smallwood speak?
Dr. Smallwood and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Smallwood treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Smallwood diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Smallwood. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Third Degree Hemorrhoids
- Second Degree Hemorrhoids
- Hemorrhoidal Skin Tags
- Perianal Blood Clot
- Hemorrhoids
- Anal Disorder
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
- Anal skin tags
- Perianal skin tags
- Leftover hemorrhoid skin
- Thrombosed Hemorrhoid
- External Hemorrhoid Clot
- Blood Clot near Anus
ICD-10 Codes:
- K642: Third degree hemorrhoids
- K641: Second degree hemorrhoids
- K644: Residual hemorrhoidal skin tags
- K645: Perianal venous thrombosis
Also known as:
- Anal Spasm
- Anal Fistula
- Anal Polyp
- Anal Disorder
- Fistulas
- Rectal Spasm
- Proctalgia Fugax
- Anal Muscle Spasm
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
- Anal Growth
- Benign Anal Tumor
- Perianal Polyp
ICD-10 Codes:
- K594: Anal spasm
- K603: Anal fistula
- K620: Anal polyp
Also known as:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
- Malignant neoplasm of sigmoid colon
- Colon Cancer
- Ascending Colon Cancer
- Bowel Cancer
- Colorectal Carcinoma
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C187: Malignant neoplasm of sigmoid colon
- C182: Malignant neoplasm of ascending colon
Also known as:
- Large Intestine Diverticulitis with Perforation and Abscess
- Large Intestine Diverticulitis
- Abscess
- Diverticulosis and Diverticulitis
- Inflamed Colon Diverticula with Abscess
- Perforated Large Bowel Diverticulitis
- Inflamed Colon Diverticula
- Colon Diverticular Inflammation
ICD-10 Codes:
- K5720: Diverticulitis of large intestine with perforation and abscess without bleeding
- K5732: Diverticulitis of large intestine without perforation or abscess without bleeding
Also known as:
- Anal Fissure
- Chronic Anal Fissure
- Anal Disorder
- Rectal Tear
- Fissure in Anus
- Perianal Fissure
- Long-Term Anal Tear
- Persistent Rectal Fissure
- Chronic Fissure in Anus
ICD-10 Codes:
- K602: Anal fissure, unspecified
- K601: Chronic anal fissure
Also known as:
- Complete Bowel Incontinence
- Bowel Incontinence
- Full fecal incontinence
- Total loss of bowel control
- Severe accidental bowel leakage
ICD-10 Codes:
- R159: Full incontinence of feces
Also known as:
- Anorectal Fistula
- Anal Disorder
- Fistulas
- Rectal Disorder
- Fistula between Anus and Rectum
- Perianal-Rectal Fistula
- Abnormal Anorectal Tract
ICD-10 Codes:
- K605: Anorectal fistula
Also known as:
- Other Anal and Rectal Condition
- Anal Disorder
- Rectal Disorder
- Proctitis
- Anal Disorders
- Rectal Disorders
ICD-10 Codes:
- K6289: Other specified diseases of anus and rectum
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Rectal Prolapse
- Pelvic Floor Disorder
- Rectal Disorder
- Protruding Rectum
- Bowel Prolapse
- Rectal Eversion
ICD-10 Codes:
- K623: Rectal prolapse
Also known as:
- Anal Cancer
- Anal Cancer Treatment (PDQ®)
- Anus Cancer
- Anal Carcinoma
ICD-10 Codes:
- C210: Malignant neoplasm of anus, unspecified
What procedures does Dr. Smallwood perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Smallwood performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Smallwood. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Hemorrhoid Removal Surgery
- Hemorrhoid and Fissure Removal Surgery
- Hemorrhoid Removal with Fissure Repair
- Hemorrhoid Removal with Fistula/Fissure Repair
- External Hemorrhoid Removal
- Hemorrhoidectomy
- Piles Surgery
- Internal and External Hemorrhoid Excision
- Hemorrhoidectomy with Fissurectomy
- Internal and External Hemorrhoid Removal
- Anal Fissure Repair
- Piles and Fissure Surgery
- Piles Surgery with Fissure Repair
- Anal Fistula Repair
- Anal Fissure Surgery
- Fistulectomy
- Fissurectomy
- External Piles Removal
CPT Codes:
- 46255: Hemorrhoidectomy, internal and external, single column/group;
- 46257: Hemorrhoidectomy, internal and external, single column/group; with fissurectomy
- 46261: Hemorrhoidectomy, internal and external, 2 or more columns/groups; with fissurectomy
- 46258: Hemorrhoidectomy, internal and external, single column/group; with fistulectomy, including fissurectomy, when performed
- 46262: Hemorrhoidectomy, internal and external, 2 or more columns/groups; with fistulectomy, including fissurectomy, when performed
- 46250: Hemorrhoidectomy, external, 2 or more columns/groups
Also known as:
- Anal Fistula Surgery
- Anal Skin Tag Removal
- Fistulectomy
- Fistulotomy
- Anal Fistula Repair
- Intersphincteric Fistula Repair
- Perianal Fistula Surgery
- Perianal Fistula Repair
- Anal Papilla Excision
- Perianal Skin Tag Removal
- Anal Lesion Excision
CPT Codes:
- 46280: Surgical treatment of anal fistula (fistulectomy/fistulotomy); transsphincteric, suprasphincteric, extrasphincteric or multiple, including placement of seton, when performed
- 46275: Surgical treatment of anal fistula (fistulectomy/fistulotomy); intersphincteric
- 46270: Surgical treatment of anal fistula (fistulectomy/fistulotomy); subcutaneous
- 46220: Excision of single external papilla or tag, anus
Also known as:
- Removal of Multiple Hemorrhoids
- Hemorrhoidectomy
- Internal and External Hemorrhoid Surgery
- Piles Removal Surgery
CPT Codes:
- 46260: Hemorrhoidectomy, internal and external, 2 or more columns/groups;
Also known as:
- Laparoscopic Colon Mobilization
- Laparoscopic Partial Colon Removal
- Laparoscopic Partial Colectomy
- Splenic Flexure Mobilization
- Laparoscopic Colectomy Assist
- Colon Take-down Surgery
- Minimally invasive colectomy
- Laparoscopic bowel resection
- Keyhole colon surgery
- Minimally Invasive Colon Resection
- Keyhole Colectomy
- Ileocolostomy Surgery
CPT Codes:
- 44213: Laparoscopy, surgical, mobilization (take-down) of splenic flexure performed in conjunction with partial colectomy (List separately in addition to primary procedure)
- 44207: Laparoscopy, surgical; colectomy, partial, with anastomosis, with coloproctostomy (low pelvic anastomosis)
- 44205: Laparoscopy, surgical; colectomy, partial, with removal of terminal ileum with ileocolostomy
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Anal Lesion Excision
- Removal of Anal Warts
- Surgical Excision of Anal Lesions
- Anus Lesion Removal
CPT Codes:
- 46922: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; surgical excision
Also known as:
- Rectal Prolapse Repair
- Removal of Rectal Tumor
- Laparoscopic Proctopexy
- Rectopexy
- Minimally Invasive Rectal Surgery
- Transanal Rectal Tumor Excision
- Partial Thickness Rectal Tumor Removal
- Rectal Lesion Excision
CPT Codes:
- 45400: Laparoscopy, surgical; proctopexy (for prolapse)
- 45171: Excision of rectal tumor, transanal approach; not including muscularis propria (ie, partial thickness)
Also known as:
- Surgical Anorectal Exam with Anesthesia
- Anesthesia
- Diagnostic anorectal exam under anesthesia
- Rectal exam with general anesthesia
- Anorectal surgery for diagnosis
CPT Codes:
- 45990: Anorectal exam, surgical, requiring anesthesia (general, spinal, or epidural), diagnostic
Also known as:
- Anal Fissure Removal with Muscle Release
- Fissurectomy
- Sphincterotomy
- Anal Fissure Repair
- Chronic Fissure Surgery
CPT Codes:
- 46200: Fissurectomy, including sphincterotomy, when performed
Also known as:
- Laparoscopic Colostomy or Cecostomy
- Keyhole colostomy
- Cecostomy surgery
- Bowel diversion surgery
- Laparoscopic bowel opening
CPT Codes:
- 44188: Laparoscopy, surgical, colostomy or skin level cecostomy
Also known as:
- Sacral Nerve Stimulator Implantation
- Sacral Neuromodulation
- Bladder Pacemaker Surgery
- Sacral Nerve Electrode Placement
- Bladder Stimulator Implant
- Nerve Stimulator for Pelvic Pain
CPT Codes:
- 64581: Open implantation of neurostimulator electrode array; sacral nerve (transforaminal placement)
- 64561: Percutaneous implantation of neurostimulator electrode array; sacral nerve (transforaminal placement) including image guidance, if performed
Also known as:
- Neurostimulator Device Implantation (Peripheral, Sacral, or Gastric)
- Nerve Stimulator Implant
- Sacral Neuromodulation Device
- Gastric Stimulator Placement
- Peripheral Nerve Stimulator
CPT Codes:
- 64590: Insertion or replacement of peripheral, sacral, or gastric neurostimulator pulse generator or receiver, requiring pocket creation and connection between electrode array and pulse generator or receiver
Also known as:
- Inserting a Long-Term IV Port (Central Line)
- Tunneled central venous catheter insertion
- Subcutaneous port placement
- Central line with port
CPT Codes:
- 36561: Insertion of tunneled centrally inserted central venous access device, with subcutaneous port; age 5 years or older
Also known as:
- Tunneled Central Venous Catheter Removal
- Central Line Explant
- Port-a-Cath Removal
- Implantable Venous Access Device Removal
- Tunneled Catheter Extraction
CPT Codes:
- 36590: Removal of tunneled central venous access device, with subcutaneous port or pump, central or peripheral insertion
Does Dr. Smallwood accept my insurance?
Dr. Smallwood accepts most major insurance plans. Important: Please call our office at (469) 952-5007 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Smallwood accept in Flower Mound, TX?
Dr. Smallwood in Flower Mound, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Department of Veterans Affairs
Health Care Service Corporation (HCSC)
Humana
Medicare
Other Health Care Provider
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Smallwood's office located?
Dr. Nathan Smallwood's Primary Practice
4370 Medical Arts Dr Ste 295
Flower Mound, TX 75028
(469) 952-5007
Dr. Nathan Smallwood's Practice 2
4510 Medical Center Dr Ste 215
McKinney, TX 75069
(469) 952-5007
What is Dr. Smallwood's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Smallwood's National Provider Identifier (NPI) number is 1609019934.
What common questions do patients ask about Dr. Smallwood?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Smallwood
What is Dr. Nathan Smallwood's specialty?
Dr. Smallwood is a Colon & Rectal Surgeon (Proctologist) near Flower Mound, TX. A colon and rectal surgeon possesses the expertise to diagnose and treat a variety of ailments affecting the intestinal tract, including the colon, rectum, anal canal, and perianal area, through both medical and surgical interventions. Furthermore, this professional also engages with other organs and tissues, including the liver, urinary system, and female reproductive system, that are relevant to primary intestinal disorders. Contact Dr. Smallwood to book an appointment today.
Is this Dr. Nathan Smallwood affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Smallwood is affiliated with Baylor Scott & White Surgical Hospital at Sherman which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Colon & Rectal Surgeon (Proctologist)?
Explore Colon & Rectal Surgeon (Proctologist) with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Nathan Smallwood accepting new patients in Flower Mound, TX?
Yes, Dr. Nathan Smallwood is accepting new patients at this time.
Does Dr. Nathan Smallwood offer online booking?
Please contact Dr. Smallwood's office at (469) 952-5007 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Nathan Smallwood?
Please contact Dr. Smallwood's office at (469) 952-5007 for information regarding telehealth appointment availability or for scheduling assistance.
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